CN102492225A - Transparent cold resistance high melt-strength polypropylene material used for automobile expansion water tank and its preparation method - Google Patents
Transparent cold resistance high melt-strength polypropylene material used for automobile expansion water tank and its preparation method Download PDFInfo
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- CN102492225A CN102492225A CN2011103851628A CN201110385162A CN102492225A CN 102492225 A CN102492225 A CN 102492225A CN 2011103851628 A CN2011103851628 A CN 2011103851628A CN 201110385162 A CN201110385162 A CN 201110385162A CN 102492225 A CN102492225 A CN 102492225A
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- expansion tank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a transparent cold resistance high melt-strength polypropylene material used for an automobile expansion water tank and its preparation method. The material comprises the following components by weight percentage: 88-95% of polypropylene, 3-10% of cold resistant flexibilizer, 0.05-0.1% of cross-linking agent, 1-3% of auxiliary crosslinking agent, 0.1-0.3% of anti-oxidant and 0.3-1% of lubricant. According to the invention, transparent random copolymerized polypropylene is taken as matrix, SEBS is taken as a cold resistant flexibilizer, by reaction and extrusion, polypropylene and SEBS are performed microcrosslinking compatibilization, the transparency of polypropylene can be kept, the cold resistance and melt-strength can be increased. The polypropylene material can be taken as a material for producing the automobile blow molding expansion water tank.
Description
Technical field
The invention belongs to polypropylene material modification technology field, relate in particular to a kind of automobile expansion tank with transparent cold-resistant high melt strength polypropylene material and preparation method thereof.
Background technology
The automobile expansion tank is a functional part of having relatively high expectations; Should there be certain transparency can see the water level of refrigerating fulid clearly; The high temperature requirement that adapts to engine-cooling system again; Stand the test of extraneous weather, therefore require its stable performance between-40 ℃～120 ℃, also should bear the test that the interior overvoltage of casing reaches 100kPa, the under-voltage 4kPa of reaching simultaneously.Blowing automobile expansion tank belongs to the major blowing product in addition, requires the material melt strength high, and melt is not easy to produce sagging.
The Vestolen PP 7052 satisfactory mechanical property, nontoxic, specific density is low, heat-resisting, chemical-resistant resistance, becomes one of general purpose material that rate of growth in the synthetic resins is the fastest, new varieties is the most active.But the polypropylene transparent degree is low, and low temperature impact strength is low, though can sacrifice and improve low temperature impact properties through using anti-impact modifier on modulus, to make some.But most anti-impact modifier all can make the transparency of material and resistance to elevated temperatures descend.Therefore need a kind of both providing to improve toughness and low-temperature impact property, and kept the polypropylene material of better optical clarity and resistance to elevated temperatures simultaneously again.
Chinese patent (publication number CN 101503539A) discloses a kind of toughened cold-resistant transparent modified polypropylene material and preparation method; Through adding the propylene that the close alhpa olefin of a kind of refractive index and Vestolen PP 7052 forms and the semi-crystalline polymer of alhpa olefin is toughner; Reduce to the influence of the transparency of polypropylene material down realization to polyacrylic cold-resistant toughened; And through behind the composite beta crystal-type nucleater with alpha-crystal form nucleator and usefulness, improve polyacrylic transparency.Also has only 3.9KJ/m but low temperature in the embodiment (20 ℃) notched Izod impact strength is best
2, can not satisfy the use of automobile expansion tank under the northern China cold snap far away.Chinese patent ZL200410013826.8 discloses a kind of preparation method of transparent high bath strength acrylic resin; Adopt the method for stage feeding polymerization; Make acrylic resin contain the Vestolen PP 7052 of a certain amount of ultra-high molecular weight, melt strength is than higher, but low-temperature flexibility is not enough; And equipment and production stage be more complicated all, is not suitable for general blending and modifying enterprise.
Summary of the invention
Technical problem to be solved by this invention provides a kind of automobile expansion tank to use polypropylene material just in order to overcome the deficiency of above-mentioned polypropylene material, and this material not only has good toughness, winter hardiness, and has characteristics such as transparent easy blowing processing simultaneously.
Automobile expansion tank according to the invention is prepared from following raw materials according with the polypropylene material of transparent cold-resistant high fondant-strength by weight percentage:
Above-mentioned Vestolen PP 7052 is the transparent atactic copolymerized polypropene of melting index 0.1-5g/10min, and this COPP molecular weight is high, has higher melt strength and shock strength.Cold-resistant toughened dose is SEBS; Linking agent is Di Cumyl Peroxide 99 (DCP), α, a kind of in α-(two tert-butyl peroxy base) diisopropylbenzene(DIPB) (BIBP); Additional crosslinker is the commercial styrene; Oxidation inhibitor is 1010 or 168 or the mixture of both arbitrary proportions; Lubricant is a calcium stearate.
Preparing method of the present invention is: with Vestolen PP 7052, cold-resistant toughened dose, linking agent, vinylbenzene, oxidation inhibitor and mix lubricant evenly after, melt blending reaction extruding pelletization in twin screw extruder; The forcing machine processing condition are: twin screw extruder 1-2 district temperature is 160-190 ℃; 3-4 district temperature is 210-230 ℃, and 5-6 district temperature is 220-240 ℃, and 7-8 district temperature is 220-230 ℃; Head temperature is 210-220 ℃, and screw speed is 300-350 rev/min.
The present invention is a matrix with transparent atactic copolymerized polypropene; SEBS is cold-resistant toughened dose, extrudes through reaction Vestolen PP 7052 and SEBS are carried out little crosslinked increase-volume, keeps polyacrylic transparency; Improve winter hardiness and melt strength, be applicable to and make automobile blowing expansion tank material.
SEBS is got by SBS hydrogenation, and SEBS and many superpolymer comixing compatibilities are good, and especially with PP, both SPs are approaching, and consistency is excellent, and SEBS can be when consumption be 0-70% and the PP blend, and formation island or successive pass the blend of network structure mutually.Vestolen PP 7052 can keep original transparency when the consumption of SEBS is controlled at certain limit.So adopt SEBS not only to have the effect of toughened cold-resistant as toughner, and good with polyacrylic consistency, can better keep the polyacrylic transparency.
It is that the plasticizing extrusion system formed with screw rod and barrel is as flow reactor, with each component of participating in reaction mixing between each raw material of realization under screw rod rotates, conveying, plasticizing, the process of reacting and extruding that reaction is extruded.Linking agent of the present invention is Di Cumyl Peroxide 99 (DCP), α, a kind of in α-(two tert-butyl peroxy base) diisopropylbenzene(DIPB) (BIBP); Vinylbenzene is additional crosslinker, in twin screw extruder, realizes the little crosslinked of PP and SEBS, and it is poor to have improved the PP melt strength, the characteristics of the vertical property difference of refractory.
The present invention adopts specific material combination, and the polypropylene material that aforesaid combination of confirming through a large amount of tests and percentage range form the present invention has low-temperature flexibility, melt strength and transparent excellent balance.The expansion radiator of gained remains on 45% with the polypropylene material transmittance, and subzero 30 degree notch shocks reach 5KJ/m
2, during the blowing expansion tank blow molding easy, the goods thickness is even, breakage rate is little.
Embodiment
Following examples are in order to further explanation the present invention, but the present invention is not only limited to these embodiment.
Embodiment 1
A kind of automobile expansion tank mainly is made up of following raw materials according with the polypropylene material of transparent cold-resistant high fondant-strength:
Take by weighing Vestolen PP 7052, cold-resistant toughened dose, linking agent, vinylbenzene, oxidation inhibitor and lubricant by weight percentage and in high-speed mixer, mix, melt blending reaction extruding pelletization in twin screw extruder.The forcing machine processing condition are: twin screw extruder 1-2 district temperature is 160-190 ℃; 3-4 district temperature is 210-230 ℃, and 5-6 district temperature is 220-240 ℃, and 7-8 district temperature is 220-230 ℃; Head temperature is 210-220 ℃, and screw speed is 300-350 rev/min.Gained is extruded pellet and after drying, is injection molded into the standard batten, tests its performance, and its result is as shown in table 1.
Table 1 embodiment 1 gained material properties test result
Embodiment 2
A kind of automobile expansion tank mainly is made up of following raw materials according with the polypropylene material of transparent cold-resistant high fondant-strength:
Preparation process is with embodiment 1.
Gained is extruded pellet and after drying, is injection molded into the standard batten, tests its performance, and its result is as shown in table 2.
Table 2 embodiment 2 gained material properties test results
Embodiment 3
A kind of automobile expansion tank mainly is made up of following raw materials according with the polypropylene material of transparent cold-resistant high fondant-strength:
Preparation process is with embodiment 1.
Gained is extruded pellet and after drying, is injection molded into the standard batten, tests its performance, and its result is as shown in table 3.
Table 3 embodiment 3 gained material properties test results
Claims (7)
1. an automobile expansion tank is with the polypropylene material of transparent cold-resistant high fondant-strength, mainly following raw materials according by weight being prepared from:
2. by the polypropylene material of the described automobile expansion tank of claim 1, it is characterized in that said Vestolen PP 7052 is the transparent atactic copolymerized polypropene of melting index 0.1-5g/10min with transparent cold-resistant high fondant-strength.
3. by the polypropylene material of the described automobile expansion tank of claim 1, it is characterized in that said cold-resistant toughened dose is SEBS. with transparent cold-resistant high fondant-strength
By the described automobile expansion tank of claim 1 with the polypropylene material of transparent cold-resistant high fondant-strength, it is characterized in that said linking agent is Di Cumyl Peroxide 99 (DCP), α, a kind of in α-(two tert-butyl peroxy base) diisopropylbenzene(DIPB) (BIBP).
5. by the polypropylene material of the described automobile expansion tank of claim 1, it is characterized in that said additional crosslinker is the commercial styrene with transparent cold-resistant high fondant-strength.
By the described automobile expansion tank of claim 1 with the polypropylene material of transparent cold-resistant high fondant-strength, it is characterized in that said oxidation inhibitor is 1010 or 168 or the mixture of both arbitrary proportions.
6. by the polypropylene material of the described automobile expansion tank of claim 1, it is characterized in that said lubricant is a calcium stearate with transparent cold-resistant high fondant-strength.
7. each described automobile expansion tank of claim 1-6 is with the preparation method of the polypropylene material of transparent cold-resistant high fondant-strength; Its characteristic with Vestolen PP 7052, cold-resistant toughened dose, linking agent, additional crosslinker, vinylbenzene, oxidation inhibitor and mix lubricant evenly after, melt blending reaction extruding pelletization in twin screw extruder; The forcing machine processing condition are: twin screw extruder 1-2 district temperature is 160-190 ℃; 3-4 district temperature is 210-230 ℃, and 5-6 district temperature is 220-240 ℃, and 7-8 district temperature is 220-230 ℃; Head temperature is 210-220 ℃, and screw speed is 300-350 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385162.8A CN102492225B (en) | 2011-11-29 | 2011-11-29 | Transparent cold resistance high melt-strength polypropylene material used for automobile expansion water tank and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385162.8A CN102492225B (en) | 2011-11-29 | 2011-11-29 | Transparent cold resistance high melt-strength polypropylene material used for automobile expansion water tank and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102492225A true CN102492225A (en) | 2012-06-13 |
| CN102492225B CN102492225B (en) | 2014-04-23 |
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| CN201110385162.8A Expired - Fee Related CN102492225B (en) | 2011-11-29 | 2011-11-29 | Transparent cold resistance high melt-strength polypropylene material used for automobile expansion water tank and its preparation method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775718A (en) * | 2012-07-31 | 2012-11-14 | 山东华通汽车模塑科技有限公司 | Polypropylene modified material for expansion water tank of automobile and preparation method thereof |
| CN103756142A (en) * | 2014-01-03 | 2014-04-30 | 天津金发新材料有限公司 | Application of styrene elastomers as additives for improving low-temperature folding resistance of polypropylene and folding resistant polypropylene prepared from styrene elastomers |
| CN103835800A (en) * | 2012-11-27 | 2014-06-04 | 江苏东方汽车装饰件总厂 | Expansion box |
| CN103910920A (en) * | 2014-04-02 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | Transparent polypropylene material with high heat resistance and cold resistance and preparation method thereof |
| CN103980611A (en) * | 2014-05-12 | 2014-08-13 | 惠州市沃特新材料有限公司 | Polypropylene composition for automobile expansion tank and preparation method thereof |
| CN104558854A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Polypropylene composition for ampoule bottle |
| CN104817854A (en) * | 2015-05-20 | 2015-08-05 | 舒城县淳风塑业有限责任公司 | Special blow-molding resin for automobiles and preparation method thereof |
| CN105504484A (en) * | 2014-09-24 | 2016-04-20 | 沈阳宏伟塑料制品有限公司 | High-rigidity cold-resistant toughened polypropylene resin and preparation method thereof |
| CN108239305A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of toughening complex additive of acrylic resin and the preparation method of polypropylene anti-impact resin |
| CN114539671A (en) * | 2022-03-22 | 2022-05-27 | 上海金发科技发展有限公司 | High-melt-strength polypropylene composite material and preparation method and application thereof |
| CN116218127A (en) * | 2023-05-08 | 2023-06-06 | 广东美的制冷设备有限公司 | Compatilizer and preparation method thereof, alloy material and preparation method thereof, and refrigerator liner |
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| CN102146185A (en) * | 2010-02-04 | 2011-08-10 | 中国石油化工股份有限公司 | Controllable-rheological toughened transparent polypropylene and preparation method thereof |
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2011
- 2011-11-29 CN CN201110385162.8A patent/CN102492225B/en not_active Expired - Fee Related
Patent Citations (6)
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| JPS5898347A (en) * | 1981-12-07 | 1983-06-11 | Fujikura Ltd | Heat-resistant, fire-retardant crosslinking blend |
| CN1556138A (en) * | 2004-01-07 | 2004-12-22 | 南京聚隆化学实业有限责任公司 | Dynamic polypropylene sulfide composite material and its preparation method |
| CN101092496A (en) * | 2006-06-20 | 2007-12-26 | 上海金发科技发展有限公司 | High glazed, shock proof filled and modified polypropylene, prepartion and application |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775718A (en) * | 2012-07-31 | 2012-11-14 | 山东华通汽车模塑科技有限公司 | Polypropylene modified material for expansion water tank of automobile and preparation method thereof |
| CN103835800A (en) * | 2012-11-27 | 2014-06-04 | 江苏东方汽车装饰件总厂 | Expansion box |
| CN104558854B (en) * | 2013-10-28 | 2017-08-11 | 中国石油化工股份有限公司 | A kind of ampoule bottle polypropene composition |
| CN104558854A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Polypropylene composition for ampoule bottle |
| CN103756142A (en) * | 2014-01-03 | 2014-04-30 | 天津金发新材料有限公司 | Application of styrene elastomers as additives for improving low-temperature folding resistance of polypropylene and folding resistant polypropylene prepared from styrene elastomers |
| CN103910920A (en) * | 2014-04-02 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | Transparent polypropylene material with high heat resistance and cold resistance and preparation method thereof |
| CN103980611A (en) * | 2014-05-12 | 2014-08-13 | 惠州市沃特新材料有限公司 | Polypropylene composition for automobile expansion tank and preparation method thereof |
| CN105504484A (en) * | 2014-09-24 | 2016-04-20 | 沈阳宏伟塑料制品有限公司 | High-rigidity cold-resistant toughened polypropylene resin and preparation method thereof |
| CN104817854A (en) * | 2015-05-20 | 2015-08-05 | 舒城县淳风塑业有限责任公司 | Special blow-molding resin for automobiles and preparation method thereof |
| CN108239305A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of toughening complex additive of acrylic resin and the preparation method of polypropylene anti-impact resin |
| CN108239305B (en) * | 2016-12-27 | 2019-11-08 | 中国石油天然气股份有限公司 | A kind of toughening complex additive of acrylic resin and the preparation method of polypropylene anti-impact resin |
| CN114539671A (en) * | 2022-03-22 | 2022-05-27 | 上海金发科技发展有限公司 | High-melt-strength polypropylene composite material and preparation method and application thereof |
| CN116218127A (en) * | 2023-05-08 | 2023-06-06 | 广东美的制冷设备有限公司 | Compatilizer and preparation method thereof, alloy material and preparation method thereof, and refrigerator liner |
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| Publication number | Publication date |
|---|---|
| CN102492225B (en) | 2014-04-23 |
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